diff --git a/xsl/xhtml.xsl b/xsl/xhtml.xsl
index 52d5eab16..de9da67e2 100644
--- a/xsl/xhtml.xsl
+++ b/xsl/xhtml.xsl
@@ -14,11 +14,12 @@
 <xsl:output method="xml"
             version="1.0"
             encoding="utf-8"
-            doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN"
-            doctype-system="DTD/xhtml1-strict.dtd"
             indent="yes"/>
 
   <xsl:template match="/page">
+    <xsl:text disable-output-escaping="yes">&lt;!DOCTYPE html&gt;
+</xsl:text>
+
     <xsl:variable name="title">
       <xsl:choose>
         <xsl:when test="/page/@pagetitle">